MESON Chess Problem Database

Problem Display
PID: 50292 (8/6p1/1p4B1/1p6/1P6/QP2Pp2/PP3B2/1NknK2R w K - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/6p1/1p4B1/1p6/1P6/QP2Pp2/PP3B2/1NknK2R

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sxb2
      • 2.0-0#
    • 1...Sxf2
      • 2.Kxf2#
    • 1...Sc3
      • 2.bxc3#
    • 1...Sxe3
      • 2.Bxe3#
  • Tries
    • 1.Rf1?
      • 1...Sxf2
        • 2.Kxf2#
      • 1...Sxe3
        • 2.Bxe3#
      • 1...Sc3
        • 2.bxc3#
      • 1...Sxb2!
    • 1.Rg1?
      • 1...Sxf2
        • 2.Kxf2#
      • 1...Sxe3
        • 2.Bxe3#
      • 1...Sc3
        • 2.bxc3#
      • 1...Sxb2!
  • Keys
    • 1.Rh8!
      • 1...Sxb2
        • 2.Rc8#
      • 1...Sxf2
        • 2.Rc8#
      • 1...Sxe3
        • 2.Bxe3#
      • 1...Sc3
        • 2.bxc3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);P_SPINS(b),XP(E)::0-0
    • S(b);XB(F)::R(C)+K(B),XS(b)
    • S(b);OGATE::QAB(G)+P(E),XS(b)
    • S(b);OGATE,XP(I)::B(F),XS(b)
  • Tries
    • Try
      • R(C);
      • Vars
        • S(b);XB(F)::R(C)+K(B),XS(b)
        • S(b);OGATE,XP(I)::B(F),XS(b)
        • S(b);OGATE::QAB(G)+P(E),XS(b)
      • Refutation
        • S(b);P_SPINS(b),XP(E)
    • Try
      • R(C);
      • Vars
        • S(b);XB(F)::R(C)+K(B),XS(b)
        • S(b);OGATE,XP(I)::B(F),XS(b)
        • S(b);OGATE::QAB(G)+P(E),XS(b)
      • Refutation
        • S(b);P_SPINS(b),XP(E)
  • Actual
    • R(C);
    • Vars
      • S(b);N_GUARD,P_SPINS(b),XP(E)::R(C)
      • S(b);N_GUARD,XB(F)::R(C)
      • S(b);OGATE,XP(I)::B(F),XS(b)
      • S(b);OGATE::QAB(G)+P(E),XS(b)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).